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Fig. 4 | Nanoscale Research Letters

Fig. 4

From: NiCo2S4@NiMoO4 Core-Shell Heterostructure Nanotube Arrays Grown on Ni Foam as a Binder-Free Electrode Displayed High Electrochemical Performance with High Capacity

Fig. 4

a The comparison of the CV curves of NiCo2S4, NiCo2S4@NiMoO4 at the scan rate of 10 mV s-2. b CV curves of the NiCo2S4@NiMoO4 product at the scan rates of 5, 10, 15, 20, 30, 40, 50 mV s-1. c Comparison of GCD curves of the NiCo2S4, NiCo2S4@NiMoO4 at a current density of 5 mA cm-2. d GCD curves of the NiCo2S4@NiMoO4 composite at the current densities of 5, 10, 15, 20, 30, 40, 50 mA cm-2. e Specific capacitance of the NiCo2S4, NiCo2S4@NiMoO4 composite at different current densities. f Cycling performance of NiCo2S4, NiCo2S4@NiMoO4 composite at 50 mA cm-2 for 2000 cycles

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